The Tor Browser: content/canvas/test/webgl-conformance/conformance/attribs/gl-vertexattribpointer-offsets.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/attribs/gl-vertexattribpointer-offsets.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/attribs/gl-vertexattribpointer-offsets.html

Wed, 31 Dec 2014 13:27:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 13:27:57 +0100
branch: TOR_BUG_3246
changeset 6: 8bccb770b82d
permissions: -rw-r--r--

Ignore runtime configuration files generated during quality assurance.

 <!--
 Copyright (C) 2011 Apple Computer, Inc.  All rights reserved.
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 . Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 . Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 -->
 <!DOCTYPE html>
 <html>
   <head>
 <meta charset="utf-8">
     <title>vertexattribpointer offsets test</title>
     <link rel="stylesheet" href="../../resources/js-test-style.css"/>
     <script src="../../resources/js-test-pre.js"></script>
     <script src="../resources/webgl-test.js"> </script>
     <script src="../resources/webgl-test-utils.js"> </script>
 </head>
 <body>
 <canvas id="example" width="50" height="50">
 There is supposed to be an example drawing here, but it's not important.
 </canvas>
 <div id="description"></div>
 <div id="console"></div>
     <script id="vshader" type="x-shader/x-vertex">
         attribute vec4 vPosition;
         void main()
         {
             gl_Position = vPosition;
         }
     </script>
     <script id="fshader" type="x-shader/x-fragment">
         precision mediump float;
         uniform vec4 color;
         void main()
         {
             gl_FragColor = color;
         }
     </script>
     <script>
         function fail(x,y, buf, shouldBe)
         {
             var i = (y*50+x) * 4;
             var reason = "pixel at ("+x+","+y+") is ("+buf[i]+","+buf[i+1]+","+buf[i+2]+","+buf[i+3]+"), should be "+shouldBe;
             testFailed(reason);
         }
         function pass()
         {
             testPassed("drawing is correct");
         }
         function init()
         {
             if (window.initNonKhronosFramework) {
                 window.initNonKhronosFramework(false);
             }
             description("test vertexattribpointer offsets work");
             wtu = WebGLTestUtils;
             gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
             var tests = [
               { data: new Float32Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
                 type: gl.FLOAT,
                 componentSize: 4,
                 normalize: false,
               },
               { data: new Float32Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
                 type: gl.FLOAT,
                 componentSize: 4,
                 normalize: false,
               },
               { data: new Uint16Array([ 0, 32767, 0, 32767, 0, 0, 0, 0, 0 ]),
                 type: gl.SHORT,
                 componentSize: 2,
                 normalize: true,
               },
               { data: new Uint16Array([ 0, 65535, 0, 65535, 0, 0, 0, 0, 0 ]),
                 type: gl.UNSIGNED_SHORT,
                 componentSize: 2,
                 normalize: true,
               },
               { data: new Uint16Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
                 type: gl.UNSIGNED_SHORT,
                 componentSize: 2,
                 normalize: false,
               },
               { data: new Uint16Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
                 type: gl.SHORT,
                 componentSize: 2,
                 normalize: false,
               },
               { data: new Uint8Array([ 0, 127, 0, 127, 0, 0, 0, 0, 0 ]),
                 type: gl.BYTE,
                 componentSize: 1,
                 normalize: true,
               },
               { data: new Uint8Array([ 0, 255, 0, 255, 0, 0, 0, 0, 0 ]),
                 type: gl.UNSIGNED_BYTE,
                 componentSize: 1,
                 normalize: true,
               },
               { data: new Uint8Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
                 type: gl.BYTE,
                 componentSize: 1,
                 normalize: false,
               },
               { data: new Uint8Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
                 type: gl.UNSIGNED_BYTE,
                 componentSize: 1,
                 normalize: false,
               }
             ];
             var vertexObject = gl.createBuffer();
             gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
             gl.bufferData(gl.ARRAY_BUFFER, 1024, gl.STATIC_DRAW);
             gl.enableVertexAttribArray(0);
             var colorLoc = gl.getUniformLocation(gl.program, "color");
             var kNumVerts = 3;
             var kNumComponents = 3;
             var count = 0;
             for (var tt = 0; tt < tests.length; ++tt) {
               var test = tests[tt];
               for (var oo = 0; oo < 3; ++oo) {
                 for (var ss = 0; ss < 3; ++ss) {
                   var offset = (oo + 1) * test.componentSize;
                   var color = (count % 2) ? [1, 0, 0, 1] : [0, 1, 0, 1];
                   var stride = test.componentSize * kNumComponents + test.componentSize * ss;
                   debug("");
                   debug("check with " + wtu.glEnumToString(gl, test.type) + " at offset: " + offset + " with stride:" + stride + " normalize: " + test.normalize);
                   gl.uniform4fv(colorLoc, color);
                   var data = new Uint8Array(test.componentSize * kNumVerts * kNumComponents + stride * (kNumVerts - 1));
                   var view = new Uint8Array(test.data.buffer);
                   var size = test.componentSize * kNumComponents;
                   for (var jj = 0; jj < kNumVerts; ++jj) {
                     var off1 = jj * size;
                     var off2 = jj * stride;
                     for (var zz = 0; zz < size; ++zz) {
                       data[off2 + zz] = view[off1 + zz];
                     }
                   }
                   gl.bufferSubData(gl.ARRAY_BUFFER, offset, data);
                   gl.vertexAttribPointer(0, 3, test.type, test.normalize, stride, offset);
                   gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
                   gl.drawArrays(gl.TRIANGLES, 0, 3);
                   var buf = new Uint8Array(50 * 50 * 4);
                   gl.readPixels(0, 0, 50, 50, gl.RGBA, gl.UNSIGNED_BYTE, buf);
                   var black = [0, 0, 0, 255];
                   var other = [color[0] * 255, color[1] * 255, color[2] * 255, color[3] * 255];
                   var otherMsg = "should be " + ((count % 2) ? "red" : "green")
                   wtu.checkCanvasRect(gl, 0, 0, 1, 1, black, "should be black", 0);
                   wtu.checkCanvasRect(gl, 0, 49, 1, 1, black, "should be black", 0);
                   wtu.checkCanvasRect(gl, 26, 40, 1, 1, other, otherMsg, 0);
                   wtu.checkCanvasRect(gl, 26, 27, 1, 1, other, otherMsg, 0);
                   wtu.checkCanvasRect(gl, 40, 27, 1, 1, other, otherMsg, 0);
                   ++count;
                 }
               }
             }
        }
        init();
        successfullyParsed = true;
     </script>
 <script>finishTest();</script>
 </body>
 </html>

The Tor Browser / annotate

content/canvas/test/webgl-conformance/conformance/attribs/gl-vertexattribpointer-offsets.html@8bccb770b82d (annotated)

content/canvas/test/webgl-conformance/conformance/attribs/gl-vertexattribpointer-offsets.html